a+3b-(5a-4b)=

Solution for a+3b-(5a-4b)= equation:

Simplifying
a + 3b + -1(5a + -4b) = 0
a + 3b + (5a * -1 + -4b * -1) = 0
a + 3b + (-5a + 4b) = 0

Reorder the terms:
a + -5a + 3b + 4b = 0

Combine like terms: a + -5a = -4a
-4a + 3b + 4b = 0

Combine like terms: 3b + 4b = 7b
-4a + 7b = 0

Solving
-4a + 7b = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-7b' to each side of the equation.
-4a + 7b + -7b = 0 + -7b

Combine like terms: 7b + -7b = 0
-4a + 0 = 0 + -7b
-4a = 0 + -7b
Remove the zero:
-4a = -7b

Divide each side by '-4'.
a = 1.75b

Simplifying
a = 1.75b